--- title: "Node Properties" url: "https://help.maxon.net/c4d/en-us/Content/html/GVHAIR_COLLISION-ID_GVPROPERTIES.html" section_path: "Simulate Menu > The Simulation System > Hair > Hair Nodes > Hair-Polygon Collision > Node Properties" element_id: "GVHAIR_COLLISION" group_id: "ID_GVPROPERTIES" description: "Drag the corresponding Hair object into this field, whose guides or hair should be checked for collision." --- ## Node Properties ### Reference Parameter ID: `GV_HAIR_COLLISION_OBJECT` Drag the corresponding Hair object into this field, whose guides or hair should be checked for collision.